Two balls are selected at random one by one without replacement f… | JEE Main 2025 Mathematics PYQ

MCQMediumJEE Main 2025 · 22 January, Shift 1Conditional Probability & Bayes Theorem

Two balls are selected at random one by one without replacement from a bag containing $4$ white and $6$ black balls. If the probability that the first selected ball is black, given that the second selected ball is also black, is $\frac{m}{n}$ , where $\gcd(m, n) = 1$ , then $m + n$ is equal to:

A
$14$
B
$4$
C
$11$
D
$13$

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